110121228 has 72 divisors (see below), whose sum is σ = 332127600. Its totient is φ = 31461696.

The previous prime is 110121211. The next prime is 110121233. The reversal of 110121228 is 822121011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 110121228.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5113 + ... + 15696.

Almost surely, 2^110121228 is an apocalyptic number.

110121228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

110121228 is an abundant number, since it is smaller than the sum of its proper divisors (222006372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

110121228 is a wasteful number, since it uses less digits than its factorization.

110121228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20836 (or 20821 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 110121228 is about 10493.8662084096. The cubic root of 110121228 is about 479.3179375232.

Adding to 110121228 its reverse (822121011), we get a palindrome (932242239).

The spelling of 110121228 in words is "one hundred ten million, one hundred twenty-one thousand, two hundred twenty-eight".